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a714a89d78
The runtime breakage that started occurring after the LLVM 7 -> 8 transition has been diagnosed with help from cem@, and the attached patch fixes it. The problem ended up being that tail-call optimization was being applied to this function (which should probably be written in assembly instead) and moving the tail-call to later on after some stack manipulations. The problem with this is that this particular function uses alloca() to carefully craft a stack that it's expecting to be used for the function it's calling at the end. The new patch fixes this using a technique that was committed later on in upstream changeset 75061 to address a similar failure with GCC sanitizers enabled. The FreeBSD-specific component of this patch is using the different stack setup if __clang__ is defined as well. The extra hunk in the Config patch has been added because the VirtualBox build system cannot cope with LLVM version numbers in the way it's expecting. Hardcode it to GCC 4.2 for FreeBSD, which is what the clang __GNU* macros describe, to fix build breakage that happens with newer LLVM as the build system decides our LLVM is an even older and more broken version of GCC with a broken regparm. PR: 236616, 244847 Approved by: koobs (mentor) MFH: 2020Q2 (blanket: major runtime build fix) |
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accessibility | ||
arabic | ||
archivers | ||
astro | ||
audio | ||
base | ||
benchmarks | ||
biology | ||
cad | ||
chinese | ||
comms | ||
converters | ||
databases | ||
deskutils | ||
devel | ||
dns | ||
editors | ||
emulators | ||
finance | ||
french | ||
ftp | ||
games | ||
german | ||
graphics | ||
hebrew | ||
hungarian | ||
irc | ||
japanese | ||
java | ||
Keywords | ||
korean | ||
lang | ||
math | ||
misc | ||
Mk | ||
multimedia | ||
net | ||
net-im | ||
net-mgmt | ||
net-p2p | ||
news | ||
polish | ||
ports-mgmt | ||
portuguese | ||
russian | ||
science | ||
security | ||
shells | ||
sysutils | ||
Templates | ||
textproc | ||
Tools | ||
ukrainian | ||
vietnamese | ||
www | ||
x11 | ||
x11-clocks | ||
x11-drivers | ||
x11-fm | ||
x11-fonts | ||
x11-servers | ||
x11-themes | ||
x11-toolkits | ||
x11-wm | ||
.arcconfig | ||
.gitattributes | ||
.gitauthors | ||
.gitignore | ||
.gitmessage | ||
CHANGES | ||
CONTRIBUTING.md | ||
COPYRIGHT | ||
GIDs | ||
LEGAL | ||
Makefile | ||
MOVED | ||
README | ||
UIDs | ||
UPDATING |
This is the FreeBSD Ports Collection. For an easy to use WEB-based interface to it, please see: https://www.FreeBSD.org/ports For general information on the Ports Collection, please see the FreeBSD Handbook ports section which is available from: https://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/ports.html for the latest official version or: The ports(7) manual page (man ports). These will explain how to use ports and packages. If you would like to search for a port, you can do so easily by saying (in /usr/ports): make search name="<name>" or: make search key="<keyword>" which will generate a list of all ports matching <name> or <keyword>. make search also supports wildcards, such as: make search name="gtk*" For information about contributing to FreeBSD ports, please see the Porter's Handbook, available at: https://www.FreeBSD.org/doc/en_US.ISO8859-1/books/porters-handbook/ NOTE: This tree will GROW significantly in size during normal usage! The distribution tar files can and do accumulate in /usr/ports/distfiles, and the individual ports will also use up lots of space in their work subdirectories unless you remember to "make clean" after you're done building a given port. /usr/ports/distfiles can also be periodically cleaned without ill-effect.